摘要: The xor-longest Path Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 5453 Accepted: 1190 Description In an edge-weighted tree, the xor-leng 阅读全文
posted @ 2016-05-09 22:47 csgc0131123 阅读(204) 评论(0) 推荐(0)